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Radiative decays of quarkonia into Goldstone fermions

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Zeitschrift für Physik C Particles and Fields

Abstract

We consider the decay of3 S 1 quarkonia into a photon and two Goldstone fermions in a model realizing supersymmetry in a nonlinear way. We derive a lower bound of 3.5 GeV for the scale of spontaneous supersymmetry breaking from Υ-decays. We show that the decay of a3 S 1 quarkonium into two Goldstone fermions is forbidden in the order we consider.

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References

  1. J. Wess: Nonlinear Realization of theN=1 Supersymmetry. Karlsruhe preprint, 1982, and in Proc. of the 4th Adriatic Summer Meeting on Particle Physics, Dubrovnik (1983); S. Samuel, J. Wess: Nucl. Phys.B221, 153 (1983)

  2. O. Nachtmann, W. Wirbel: Z. Phys. C — Particles and Fields23, 85 (1984)

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  3. Particle Data Group: Phys. Lett.111B (1982)

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Authors and Affiliations

  1. Institut für Theoretische Physik der Universität Heidelberg, D-6900, Heidelberg, Federal Republic of Germany

    O. Nachtmann, A. Reiter & M. Wirbel

Authors
  1. O. Nachtmann
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  2. A. Reiter
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  3. M. Wirbel
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Supported by Bundesministerium for Forschung und Technologie, FRG

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Nachtmann, O., Reiter, A. & Wirbel, M. Radiative decays of quarkonia into Goldstone fermions. Z. Phys. C - Particles and Fields 23, 199–203 (1984). https://doi.org/10.1007/BF01557596

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  • DOI: https://doi.org/10.1007/BF01557596

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